<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
</head>
<script>
    var ut = 'field';

    new class {
        constructor (e) {
        }
    }({
        features: [class {
            static featureName = ut;
        }, class {
            constructor () {
                function p () {
                    var q = window.location;
                }
            }
        }],
    })
</script>
<body>
</body>
</html>
